1. First, open the setup software that comes with the system on the desktop of Huawei mobile phone (take Huawei mate8 mobile phone as an example), and click the security and privacy option icon in the main interface of setup.

2. Then, find the screen lock and password options in the security and privacy interface, and click it to enter.

3. Then, click the last option in the screen lock and password interface: screen lock signature.

4. finally, an editing window of screen lock signature will pop up in the screen and password interface, enter the desired signature text information in the input box, and then click the save button at the lower right.

1. Open the lock screen of our mobile phone, and you can notice that there is no text signature in the screen at this time, only the wallpaper we set. ...